Israel announcing today an already fragile ceasefire is back on after it launched what it calls retaliatory strikes against Hamas in the Gaza Strip. The prime minister ordered the strikes, accusing Hamas of violating the agreement by failing to return the bodies of dead hostages and firing on Israeli troops. That attack killed one Israeli soldier who is a dual USIsraeli citizen.Now, President Trump addressed the strikes from Air Force One. He says the ceasefire is not in jeopardy. NBC News international cor ...